The National Resources Defense Council (NRDC), an environmental action organization, recently conducted an in-depth study into the quality of drinking water across the United States. Reviewing the tap water quality data for 19 major U.S. cities, including Los Angeles, they compiled their findings and made them available to the public in June of 2003. 11 contaminants were labeled to be of “high concern” or “some concern” for the LA area’s water supply.

Since much of Los Angeles and Orange County drinking water comes from the same two sources, the Colorado River and Northern California, this information should be of note to those living in the Orange County area.

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By Tim Jones |  Tribune correspondent

GRAND RAPIDS, Mich.—The great American assault on tooth decay began here 63 years ago, earning Grand Rapids a special place in the annals of dental history: the first city in the world to fluoridate its public water system.

So it is more than a little head-scratching that fluoride, the chemical widely credited with dramatically cutting cavities and promoting oral hygiene, is having its scientific credentials questioned in the city that literally swallowed it first.

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